State Sen. Mark Leno, D-San Francisco, urges lawmakers to approve his measure requiring electronics manufacturers to install a shut-off function in all smartphones manufactured and sold after July 2015,  at the Capitol  in Sacramento, Calif., Thursday May 8, 2014.  The bill, SB962, which fell two votes short of passage when it was brought up two weeks ago, was approved by the Senate by a 26-8 vote. (AP Photo/Rich Pedroncelli) Photo: Rich Pedroncelli, Associated Press
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